“Mumon Gensen (1323 - 1390) [was] a Japanese Rinzai monk of the Ashikaga period, Mumon Gensen was born in Kyoto, the son of Emperor Go-daigo. He entered Buddhist orders at age seven, and at eighteen entered the Zen monastery Kennin-ji. In 1384, Gensen founded a Rinzai Zen monastery in Totomi.”